A delightful lemon-flavored frosting perfect for cakes and cupcakes.
In a mixing bowl, beat the butter until creamy and smooth.
Ensure the butter is at room temperature for easier mixing.
Gradually add the confectioners' sugar, mixing well after each addition.
Add the sugar in small batches to avoid a powdery mess.
Zest the lemon and squeeze its juice. Add the zest, juice, and salt to the mixture.
Use a fine zester to avoid bitter pith in the zest.
Add the milk and continue beating until the frosting is smooth and spreadable.
Adjust the milk quantity for your desired consistency.
Use the frosting immediately or store it for later use.
Cover the frosting to prevent it from drying out.